DuraVent DIS1 Manual - Page 11

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Figure 17: Joint Assembly step 6

NOTE:

Seal the BSE band (top) with S-375 sealant if exposed to

weather.

SEALANT USAGE

Part No. S-650

(Permatex® Red High Temp Silicone) is red and is

one of our UL approved sealants for temperatures up

to (650°F / 344°C). Can also be used for

weathering/sealing on outdoor seams and channel

bands where necessary.

Part No. S-375

(Nuflex 302 General Purpose) is a low temperature

grey silicone (450° / 232°C) only for

weathering/sealing on outdoor seams and Outer Band

(BSE) where necessary.

Expected number of tubes per joint assembly

for S-650 or S-375

Flue Diameter (in.)

5 to 10

11 to 16

18 to 22

24 to 28

30 to 32

34 to 36

Table 8: Tubes per Joint

CIXPRO SERIES FOR GREASE DUCT UL1978 SUBMITTAL RECORD

Number of tubes per

Joint

1 / 5

1 / 4

1 / 3

1 / 2

2 / 3

3 / 4

SECTION E – COMPONENTS

LENGTH (L)

Used as standard duct lengths.

Available in diameters 5" to 36"

L12, L18, L24 and L36

Figure 18: Standard Length

ADJUSTABLE LENGTH (LA) – THERMAL EXPANSION

AND ODD LENGTH

Adjust to fit odd lengths and compensate for Thermal

Expansion

Figure 19: Adjustable Length

VARIABLE LENGTH (LA) – ODD LENGTH - NO THERMAL

EXPANSION

Adjust to fit odd lengths only. Primarily used for space

between elbow offset when an odd length is required.

Figure 20: Variable Length

REV: 0

AUGUST 2017